<!DOCTYPE HTML>
<title>Input element programmatic selection support</title>
<link rel="author" title="yaycmyk" href="mailto:evan@yaycmyk.com">
<link rel="help" href="https://html.spec.whatwg.org/multipage/forms.html#dom-textarea/input-select">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id="log"></div>
<script>

/* all textual, non-hidden inputs support .select() */
test(function() {
  var valid = [
    "text",
    "search",
    "url",
    "tel",
    "email",
    "password",
    "date",
    "month",
    "week",
    "time",
    "datetime-local",
    "number",
    "color",
    "file",
  ];

  var invalid = [
    "hidden",
    "range",
    "checkbox",
    "radio",
    "submit",
    "image",
    "reset",
    "button"
  ];

  valid.forEach(function(type) {
    test(function() {
      var input = document.createElement("input");
      var a;

      input.type = type;
      assert_equals(input.type, type, "the given input type is not supported");

      input.select();

    }, "input type " + type + " should support the select() method");
  });

  invalid.forEach(function(type) {
    test(function() {
      var input = document.createElement("input");

      input.type = type;
      assert_equals(input.type, type, "the given input type is not supported");

      var selectionStartBefore = input.selectionStart;
      var selectionEndBefore = input.selectionEnd;
      var selectionDirectionBefore = input.selectionDirection;

      // Does not throw; see https://github.com/whatwg/html/issues/2275
      input.select();

      assert_equals(input.selectionStart, selectionStartBefore, "selectionStart must not change");
      assert_equals(input.selectionEnd, selectionEndBefore, "selectionEnd must not change");
      assert_equals(input.selectionDirection, selectionDirectionBefore, "selectionDirection must not change");

    }, "input type " + type + " should do nothing when the select() method is called (but, not throw)");
  });
});

/* only certain input types are allowed to have a variable-length selection */
test(function() {
  var valid = [
    "text",
    "search",
    "url",
    "tel",
    "password"
  ];

  var invalid = [
    "hidden",
    "email",
    "date",
    "month",
    "week",
    "time",
    "datetime-local",
    "number",
    "range",
    "color",
    "checkbox",
    "radio",
    "file",
    "submit",
    "image",
    "reset",
    "button"
  ];

  valid.forEach(function(type) {
    test(function() {
      var input = document.createElement("input");
      var a;

      input.type = type;
      assert_equals(input.type, type, "the given input type is not supported");

      a = input.selectionStart;
      input.selectionStart = 0;
      a = input.selectionEnd;
      input.selectionEnd = 0;
      a = input.selectionDirection;
      input.selectionDirection = "none";
      input.setSelectionRange(0, 0);
      input.setRangeText('', 0, 0);

    }, "input type " + type + " should support all selection attributes and methods");
  });

  invalid.forEach(function(type) {
    test(function() {
      var input = document.createElement("input");

      input.type = type;
      assert_equals(input.type, type, "the given input type is not supported");

      assert_equals(input.selectionStart, null, 'getting input.selectionStart');
      assert_throws_dom("INVALID_STATE_ERR", function() { input.selectionStart = 0; });
      assert_equals(input.selectionEnd, null, 'getting input.selectionEnd');
      assert_throws_dom("INVALID_STATE_ERR", function() { input.selectionEnd = 0; });
      assert_equals(input.selectionDirection, null, 'getting input.selectionDirection');
      assert_throws_dom("INVALID_STATE_ERR", function() { input.selectionDirection = "none"; });
      assert_throws_dom("INVALID_STATE_ERR", function() { input.setSelectionRange(0, 0); });
      assert_throws_dom("INVALID_STATE_ERR", function() { input.setRangeText('', 0, 0); });

    }, "input type " + type + " should not support variable-length selections");
  });
});
</script>
